Lenovo PC 300 IBM PC300 (Type 2169) - Hardware Maintenance Manual (September 2 - Page 77

NOTES, BIOS Error Codes, Messages, beeps, Action/FRU, POST Error Codes and Messages, Codes

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NOTES: If an error message and incorrect audio response occur, diagnose the error message first. If you cannot run the diagnostics program tests but did receive a POST error code, diagnose the POST error message. If you did not receive any error message, look for a description of your error symptoms in "Error Symptoms List" in page 79. Check all power supply voltages, switch, and jumper settings before you replace the system board. Also check the power supply voltages if you have a "system no-power" condition. ("Power Supply Cable Connector Specifications" on page 129 If the problem cannot be corrected by using the "BIOS Error Codes, Messages, And Beeps List" table and "Error Symptoms List" table, go to "Undetermined Problems" on page 104. Table 2-1 BIOS Error Codes, Messages, and Beeps List BIOS Error Codes, Action/FRU Messages, beeps NOTE: To diagnose a problem, first find the BIOS error messages, codes, or beeps in left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause. POST Error Codes and Messages CMOS battery failed Load default settings in Setup and reboot the system. CMOS battery. System board. CMOS checksum error Make sure the equipment (diskette drive, hard disk drive, keyboard, mouse, etc.) are connected properly and are set correctly in BIOS Setup. Load default settings in setup. CMOS battery should be replaced. System board. Memory size error Make sure the DIMMs are inserted properly. System board. 75

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75
NOTES:
If an error message and incorrect audio response occur,
diagnose the error message first.
If you cannot run the diagnostics program tests but did receive
a POST error code, diagnose the POST error message.
If you did not receive any error message, look for a description
of your error symptoms in “Error Symptoms List” in page 79.
Check all power supply voltages, switch, and jumper settings
before you replace the system board.
Also check the power
supply voltages if you have a “system no-power” condition.
(“Power Supply Cable Connector Specifications” on page 129
If the problem cannot be corrected by using the “BIOS Error
Codes, Messages, And Beeps List” table and “Error Symptoms
List” table, go to "Undetermined Problems” on page 104.
Table 2-1
BIOS Error Codes, Messages, and Beeps List
BIOS Error Codes,
Messages, beeps
Action/FRU
NOTE:
To diagnose a problem, first find the BIOS error
messages, codes, or beeps in left column.
If directed to a
check procedure, replace the FRU indicated in the check
procedure.
If no check procedure is indicated, the first
Action/FRU listed in right column is the most likely cause.
POST Error Codes and Messages
CMOS battery failed
Load default settings in Setup and
reboot the system.
CMOS battery.
System board.
CMOS checksum
error
Make sure the equipment (diskette
drive, hard disk drive, keyboard,
mouse, etc.) are connected properly
and are set correctly in BIOS Setup.
Load default settings in setup.
CMOS battery should be replaced.
System board.
Memory size error
Make sure the DIMMs are inserted
properly.
System board.